From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4B1853EA942; Sat, 17 Oct 2026 07:41:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792222871; cv=none; b=nNuukKJrYgCVtzm/YZ4buphre5xscvKScOo35vk6iz/ejRhXY56fis7LJG4JZG4WkADdZWEgBYLhVwOm/2hBzuXmSZ5eX9n1Hrigk01dqGQFKMQsA+BbjV7zuHGm8IK6kAF4WYwB+Qc/BOtL47U37fVlN47lsnSPU/zNoTLDpzI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792222871; c=relaxed/simple; bh=IwjlrqWkRswrl0eUuI23hZ1RaCjZOI+5bKih4kQSfjo=; h=Date:From:To:Subject:In-Reply-To:References:Content-Type: MIME-Version:Message-ID; b=DZ5kw/VAmAY/KSSMgsqMirNzwJjCdsUElZuTaYTDUH4c7TajIzHvQHLazaOeL8lliEGkTgc0gswhHvj0SWVffsLP+x3SYT5FH6vL6eyL22PDP7PiiIV/9C/6Brjw55y2CdsuEVS8V6/zoiGCl1u/hoUMEXi3iMhsP+lS94iz93w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=Vm0twJ1Y; arc=none smtp.client-ip=220.197.31.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="Vm0twJ1Y" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Date:From:To:Subject:Content-Type:MIME-Version: Message-ID; bh=IwjlrqWkRswrl0eUuI23hZ1RaCjZOI+5bKih4kQSfjo=; b=V m0twJ1YLDABn5KoNB46p0qjFg3mQ+M5RL4eBQ7Q/b9/GLYlwibZHbgpXVCMr5jJN 3qUkcAhTUwAIoImEdRaVlJz+SN/kV3ShJcS9ro1R7VBCg3foWz3c0J/ijHp02DcV fwPW/v60NSPMcFHIcAS+6lMnO1jmICAwSwCNiF/mP0= Date: Sat, 17 Oct 2026 15:40:45 +0800 (CST) From: "jiale yao" <19888972804@163.com> To: "Haiyang Zhang" , "Wei Liu" , "Dexuan Cui" , linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re:[PATCH] Drivers: hv: vmbus: Check ACPI companion before use X-Priority: 3 X-Mailer: Coremail Webmail Server Version 2023.4-cmXT build 20260511(2e539873) Copyright (c) 2002-2026 www.mailtech.cn 163com In-Reply-To: <20261017064313.3816553-1-yaojiale02@163.com> References: <20261017064313.3816553-1-yaojiale02@163.com> X-NTES-SC: AL_Qu2SAP6ZvUAv4yWfbekdnEkQgO0/WsS1vfQu2Y5Wc+wEgCbN4z0YdHxaDHHN8e6DOSarnDiOagNHzNRcb4JHQEamNL2nZuS3kSC7JbHqdQ== Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=GBK Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <3f41f884.18f3.1a148ce5a95.Coremail.19888972804@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:ZygvCgDnX2V9JtNqSfxaAA--.146W X-CM-SenderInfo: x1dryxhdohiji6rwjhhfrp/xtbCzR04cmrTJn0uUgAA3E X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== QXQgMjAyNi0xMC0xNyAxNDo0MzoxMywgIkppYWxlIFlhbyIgPHlhb2ppYWxlMDJAMTYzLmNvbT4g d3JvdGU6Cj5QbGF0Zm9ybSBkcml2ZXJzIGNhbiBiZSBmb3JjZWQgdG8gYmluZCB0byBkZXZpY2Vz IG91dHNpZGUgdGhlaXIgbWF0Y2gKPnRhYmxlcyB0aHJvdWdoIGRyaXZlcl9vdmVycmlkZS4gdm1i dXNfYWNwaV9hZGQoKSBhc3N1bWVzIHRoYXQgZXZlcnkgYm91bmQKPmRldmljZSBoYXMgYW4gQUNQ SSBjb21wYW5pb24gYW5kIGRlcmVmZXJlbmNlcyBpdCB3aXRob3V0IGNoZWNraW5nLgo+Cj5SZXR1 cm4gLUVOT0RFViB3aGVuIHRoZSBjb21wYW5pb24gaXMgYWJzZW50IHRvIGF2b2lkIGEgTlVMTCBw b2ludGVyCj5kZXJlZmVyZW5jZS4KPgoKRml4ZXM6IDljODQzNDIzODA0MSAoIkRyaXZlcnM6IGh2 OiB2bWJ1czogQ29udmVydCBhY3BpX2RldmljZSB0byBtb3JlIGdlbmVyaWMgcGxhdGZvcm1fZGV2 aWNlIikKCj5TaWduZWQtb2ZmLWJ5OiBKaWFsZSBZYW8gPHlhb2ppYWxlMDJAMTYzLmNvbT4KPi0t LQo+IGRyaXZlcnMvaHYvdm1idXNfZHJ2LmMgfCA4ICsrKysrKy0tCj4gMSBmaWxlIGNoYW5nZWQs IDYgaW5zZXJ0aW9ucygrKSwgMiBkZWxldGlvbnMoLSkKPgo+ZGlmZiAtLWdpdCBhL2RyaXZlcnMv aHYvdm1idXNfZHJ2LmMgYi9kcml2ZXJzL2h2L3ZtYnVzX2Rydi5jCj5pbmRleCA0NjkyNjg3Y2Ri ZjMuLjI4ZjQ1OTY3OTQwNiAxMDA2NDQKPi0tLSBhL2RyaXZlcnMvaHYvdm1idXNfZHJ2LmMKPisr KyBiL2RyaXZlcnMvaHYvdm1idXNfZHJ2LmMKPkBAIC0yNTcxLDEwICsyNTcxLDE0IEBAIEVYUE9S VF9TWU1CT0xfR1BMKHZtYnVzX2ZyZWVfbW1pbyk7Cj4gI2lmZGVmIENPTkZJR19BQ1BJCj4gc3Rh dGljIGludCB2bWJ1c19hY3BpX2FkZChzdHJ1Y3QgcGxhdGZvcm1fZGV2aWNlICpwZGV2KQo+IHsK PisJc3RydWN0IGFjcGlfZGV2aWNlICphbmNlc3RvcjsKPisJc3RydWN0IGFjcGlfZGV2aWNlICpk ZXZpY2U7Cj4gCWFjcGlfc3RhdHVzIHJlc3VsdDsKPiAJaW50IHJldF92YWwgPSAtRU5PREVWOwo+ LQlzdHJ1Y3QgYWNwaV9kZXZpY2UgKmFuY2VzdG9yOwo+LQlzdHJ1Y3QgYWNwaV9kZXZpY2UgKmRl dmljZSA9IEFDUElfQ09NUEFOSU9OKCZwZGV2LT5kZXYpOwo+Kwo+KwlkZXZpY2UgPSBBQ1BJX0NP TVBBTklPTigmcGRldi0+ZGV2KTsKPisJaWYgKCFkZXZpY2UpCj4rCQlyZXR1cm4gLUVOT0RFVjsK PiAKPiAJdm1idXNfcm9vdF9kZXZpY2UgPSAmZGV2aWNlLT5kZXY7Cj4gCj4tLSAKPjIuMzQuMQo=